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Study Blog
Practical guidance for retrofit and energy assessment revision.
The Ultimate Guide to an EPC: What Happens on a Domestic Energy Assessment
A walk-through of a real EPC survey — construction, heating, glazing, lighting, meters and floor plans — and how each stage feeds the RdSAP rating.
Air Source Heat Pumps and Air-to-Air Systems in UK Retrofit
What retrofit coordinators and DEAs need to know about air-to-air heat pumps, mini splits, and how they sit within PAS 2035 and RdSAP.
External Wall Insulation: What Retrofit Installers Must Get Right
A PAS 2030 revision guide to EWI: substrate prep, adhesive mixing, bonding patterns, mechanical fixings, beads, base coat and render finish.
Damp, Mould and Condensation: A Complete Guide for Retrofit Professionals
Understand relative humidity, dew points, and ventilation strategies — the moisture science every PAS 2035 retrofit professional must master.
Building Physics Revision for Retrofit Exams
A compact guide to fabric, moisture, ventilation, and heat-loss revision.
DEA Exam Workflow Revision Guide
A workflow-led way to prepare for Domestic Energy Assessor questions.
How to Approach Multi-Answer Retrofit Questions
Techniques for questions where more than one answer is correct.
How to Plan Retrofit Assessor Revision
A practical topic-by-topic revision plan for Retrofit Assessor learners.
Retrofit Coordinator Level 5 Topic Map
How to split Retrofit Coordinator revision across the ten app topics.
Using Short Practice Sessions Effectively
How to use short quizzes without losing topic coverage.